A 24 g, 3-cm-diameter thin, hollow sphere rotates at 30 rpm about a vertical, frictionless axis through

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A 24 g, 3-cm-diameter thin, hollow sphere rotates at 30 rpm about a vertical, frictionless axis through its center. A 4 g bug stands at the top of the sphere. He then walks along the surface of the sphere until he reaches its "equator." When he reaches the equator, the sphere is rotating at 

A. 15 rpm 

B. 24 rpm 

C. 30 rpm 

D. 37 rpm 

E. 45 rpm

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College Physics A Strategic Approach

ISBN: 9780321595492

2nd Edition

Authors: Randall D. Knight, Brian Jones, Stuart Field

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